Tools & Wizards About Us
cotosaga.com screenshot

Report Summary

  • 100

    Performance

    Renders faster than
    97% of other websites

  • 55

    Accessibility

    Visual factors better than
    that of 23% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 69

    SEO

    Google-friendlier than
    28% of websites

cotosaga.com

イベント情報サイト「ことさが」

Page Load Speed

4 sec in total

First Response

337 ms

Resources Loaded

3.5 sec

Page Rendered

246 ms

cotosaga.com screenshot

About Website

Visit cotosaga.com now to see the best up-to-date Cotosaga content for Japan and also check out these interesting facts you probably never knew about cotosaga.com

「そんなイベントあったんだ！」日本全国のイベント・新商品・キャンペーン情報を日付、場所から探せる・教えてくれる！総合イベント情報サイト「ことさが」

Visit cotosaga.com

Key Findings

We analyzed Cotosaga.com page load time and found that the first response time was 337 ms and then it took 3.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.

Performance Metrics

cotosaga.com performance score

100

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.1 s

99/100

10%

LCP (Largest Contentful Paint)

Value1.1 s

100/100

25%

SI (Speed Index)

Value2.0 s

99/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value1.1 s

100/100

10%

Network Requests Diagram

cotosaga.com

337 ms

cotosaga.com

863 ms

gtm.js

56 ms

adsbygoogle.js

116 ms

master.css

333 ms

Our browser made a total of 92 requests to load all elements on the main page. We found that 38% of them (35 requests) were addressed to the original Cotosaga.com, 28% (26 requests) were made to D30e4zemf07u60.cloudfront.net and 12% (11 requests) were made to Static.xx.fbcdn.net. The less responsive or slowest element that took the longest time to load (1.7 sec) relates to the external source D30e4zemf07u60.cloudfront.net.

Page Optimization Overview & Recommendations

Page size can be reduced by 124.2 kB (32%)

Content Size

389.4 kB

After Optimization

265.2 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Cotosaga.com main page is 389.4 kB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 55% of websites need less resources to load. Javascripts take 218.8 kB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 70.6 kB

  • Original 85.0 kB
  • After minification 75.1 kB
  • After compression 14.4 kB

HTML content can be minified and compressed by a website’s server. The most efficient way is to compress content using GZIP which reduces data amount travelling through the network between server and browser. This page needs HTML code to be minified as it can gain 10.0 kB, which is 12% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 70.6 kB or 83% of the original size.

Image Optimization

-14%

Potential reduce by 9.8 kB

  • Original 71.7 kB
  • After minification 61.8 kB

Image size optimization can help to speed up a website loading time. The chart above shows the difference between the size before and after optimization. Obviously, Cotosaga needs image optimization as it can save up to 9.8 kB or 14% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-19%

Potential reduce by 40.6 kB

  • Original 218.8 kB
  • After minification 218.8 kB
  • After compression 178.2 kB

It’s better to minify JavaScript in order to improve website performance. The diagram shows the current total size of all JavaScript files against the prospective JavaScript size after its minification and compression. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 40.6 kB or 19% of the original size.

CSS Optimization

-23%

Potential reduce by 3.1 kB

  • Original 13.9 kB
  • After minification 13.9 kB
  • After compression 10.8 kB

CSS files minification is very important to reduce a web page rendering time. The faster CSS files can load, the earlier a page can be rendered. Cotosaga.com needs all CSS files to be minified and compressed as it can save up to 3.1 kB or 23% of the original size.

Requests Breakdown

Number of requests can be reduced by 37 (57%)

Requests Now

65

After Optimization

28

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 65 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Cotosaga. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 20 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

cotosaga.com

cotosaga.com

337 ms

cotosaga.com

cotosaga.com

863 ms

gtm.js

gtm.js

56 ms

adsbygoogle.js

adsbygoogle.js

116 ms

master.css

master.css

333 ms

1

1

41 ms

q

q

10 ms

analytics.js

analytics.js

14 ms

collect

collect

35 ms

collect

collect

26 ms

js

js

49 ms

jquery.min.js

jquery.min.js

20 ms

clib-1.0.js

clib-1.0.js

338 ms

jquery.color-1.0.js

jquery.color-1.0.js

336 ms

gmap-1.0.js

gmap-1.0.js

496 ms

js

js

116 ms

ga-audiences

ga-audiences

105 ms

reset.css

reset.css

334 ms

common.css

common.css

338 ms

sdk.js

sdk.js

199 ms

1666260_micro.jpg

1666260_micro.jpg

217 ms

bgtop.gif

bgtop.gif

191 ms

headbg.gif

headbg.gif

192 ms

headbgright.gif

headbgright.gif

191 ms

headbgleft.gif

headbgleft.gif

191 ms

logo081006.gif

logo081006.gif

408 ms

mainnav081117.png

mainnav081117.png

408 ms

bgtext.gif

bgtext.gif

407 ms

mainnav081023.png

mainnav081023.png

408 ms

navac.png

navac.png

519 ms

topsearchtitle.png

topsearchtitle.png

575 ms

sp.gif

sp.gif

576 ms

loadinfo.net.gif

loadinfo.net.gif

574 ms

mobileQRs.gif

mobileQRs.gif

573 ms

1666264_micro.jpg

1666264_micro.jpg

240 ms

1588986_micro.jpg

1588986_micro.jpg

961 ms

1598809_micro.jpg

1598809_micro.jpg

923 ms

1591595_micro.jpg

1591595_micro.jpg

240 ms

1634513_micro.jpg

1634513_micro.jpg

238 ms

1666577_micro.jpg

1666577_micro.jpg

239 ms

1666576_micro.jpg

1666576_micro.jpg

240 ms

1666575_micro.jpg

1666575_micro.jpg

239 ms

1666574_micro.jpg

1666574_micro.jpg

260 ms

1666572_micro.jpg

1666572_micro.jpg

259 ms

1666571_micro.jpg

1666571_micro.jpg

241 ms

noimage_micro.gif

noimage_micro.gif

972 ms

1666569_micro.jpg

1666569_micro.jpg

247 ms

1666568_micro.jpg

1666568_micro.jpg

261 ms

1666567_micro.jpg

1666567_micro.jpg

260 ms

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1666566_micro.jpg

259 ms

1666565_micro.jpg

1666565_micro.jpg

957 ms

1666564_micro.jpg

1666564_micro.jpg

960 ms

1666563_micro.jpg

1666563_micro.jpg

954 ms

1666562_micro.jpg

1666562_micro.jpg

1648 ms

1666561_micro.jpg

1666561_micro.jpg

1721 ms

1666560_micro.jpg

1666560_micro.jpg

1671 ms

1666559_micro.jpg

1666559_micro.jpg

1705 ms

1666558_micro.jpg

1666558_micro.jpg

1671 ms

1666557_micro.jpg

1666557_micro.jpg

1685 ms

widget

widget

12 ms

R_kAn-

R_kAn-

102 ms

162 ms

p2tl.gif

p2tl.gif

459 ms

p2tr.gif

p2tr.gif

571 ms

p2mr.png

p2mr.png

625 ms

p2ml.gif

p2ml.gif

626 ms

iconcontent.png

iconcontent.png

627 ms

bgweather.gif

bgweather.gif

627 ms

h3line2.gif

h3line2.gif

627 ms

h3icon.gif

h3icon.gif

738 ms

allowleftmap.gif

allowleftmap.gif

790 ms

imgshadow60.gif

imgshadow60.gif

791 ms

btn-gray.png

btn-gray.png

792 ms

p2b.gif

p2b.gif

793 ms

event_pr_rectangle.gif

event_pr_rectangle.gif

794 ms

likebox.php

likebox.php

119 ms

like.php

like.php

94 ms

sdk.js

sdk.js

14 ms

bgbottomfull.gif

bgbottomfull.gif

817 ms

w9py8-RGams.js

w9py8-RGams.js

22 ms

FEppCFCt76d.png

FEppCFCt76d.png

14 ms

XyigBi614PD.css

XyigBi614PD.css

10 ms

RsWZ-myCkRn.js

RsWZ-myCkRn.js

28 ms

xjg1QNQguf-.js

xjg1QNQguf-.js

15 ms

O9zq51FKpXz.js

O9zq51FKpXz.js

27 ms

qnn7MVQZYOT.js

qnn7MVQZYOT.js

15 ms

5hjr18zii08.js

5hjr18zii08.js

27 ms

zYzGplAqD4J.js

zYzGplAqD4J.js

57 ms

p55HfXW__mM.js

p55HfXW__mM.js

56 ms

306132194_404028158480120_3421459803951558080_n.jpg

306132194_404028158480120_3421459803951558080_n.jpg

71 ms

301735524_404028155146787_666503983852398970_n.jpg

301735524_404028155146787_666503983852398970_n.jpg

96 ms

UXtr_j2Fwe-.png

UXtr_j2Fwe-.png

8 ms

Accessibility Review

cotosaga.com accessibility score

55

Accessibility Issues

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

Names and labels

These are opportunities to improve the semantics of the controls in your application. This may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

Image elements do not have [alt] attributes

High

Form elements do not have associated labels

Best Practices

cotosaga.com best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Serves images with low resolution

SEO Factors

cotosaga.com SEO score

69

Search Engine Optimization Advices

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Image elements do not have [alt] attributes

Language and Encoding

  • Language Detected

    JA

  • Language Claimed

    JA

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Cotosaga.com can be misinterpreted by Google and other search engines. Our service has detected that Japanese is used on the page, and it matches the claimed language. Our system also found out that Cotosaga.com main page’s claimed encoding is utf-8. Use of this encoding format is the best practice as the main page visitors from all over the world won’t have any issues with symbol transcription.

Social Sharing Optimization

cotosaga.com

Open Graph data is detected on the main page of Cotosaga. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: